New Delhi, July 6 -- India and Trinidad and Tobago agreed to ramp up collaboration in healthcare, digital infrastructure and agriculture as Prime Minister Narendra Modi and his Trinidadian counterpart Kamla Persad-Bissessar focused on development cooperation as an important pillar in bilateral relations. The two countries signed six agreements during Modi's visit to the Caribbean nation, the first by an Indian premier since 1999. Trinidad and Tobago was the second destination in Modi's five-nation tour, and people of Indian-origin make up more than 40% of the country's population of 1.36 million. During their talks late on Friday, the two leaders called for greater cooperation on contemporary challenges such as climate change, disaster mana...